Given the diagram below, assume that a G1 chromosome (left) underwent one round of replication in 3H-thymidine and the metaphase chromosome (right) had both chromatids labeled

Which of the following replicative models (conservative, dispersive, semiconservative) could be eliminated by this observation?


conservative

Biology & Microbiology

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DNA microarray technology

A. may use many DNA fragments that function like probes. B. attaches nucleotides to a solid support such as a glass slide. C. relies on arrays that contain a detectable tag. D. uses nucleic acid hybridization. E. may use many DNA fragments that function like probes, attaches nucleotides to a solid support such as a glass slide, AND uses nucleic acid hybridization.

Biology & Microbiology

Which of the following is(are) true concerning

tetanus? a. The pathogen spreads through the air. b. The pathogen is ingested through tainted canned food. c. The pathogen is a virus. d. A toxin blocks the release of GABA. e. All of these are true.

Biology & Microbiology

How many polypeptide chains comprise a hemoglobin molecule?

A) two B) one C) four D) two or four E) three

Biology & Microbiology

An individual with the genotype AaBbCC will produce gametes with which possible assortment of genes?

A) ABC, AbC, aBC, or abC B) AaBbCC C) A,B,a,b, or C D) Aa, Bb, or Cc

Biology & Microbiology